Ron Ananian, The Car Doctor - May 9, 2026 - Hour 1 - Why Your Car Is Quietly Burning More Gas
Ron Ananian The Car Doctor
Ron Ananian The Car Doctor May 9, 2026
Ron Ananian, The Car Doctor - May 9, 2026 - Hour 1 - Why Your Car Is Quietly Burning More Gas

Ron Ananian, The Car Doctor - May 9, 2026 - Hour 1 - Why Your Car Is Quietly Burning More Gas

Annotations will appear as you listen

0:00
35:00
Ron Ananian, The Car Doctor - May 9, 2026 - Hour 1 - Why Your Car Is Quietly Burning More Gas
Term

fuel economy

Fuel economy is how far your car can go on a gallon (or tank) of gas. If it gets worse, you burn more gas for the same trip.

Concept

fuel waste

Fuel waste means your car is burning more gas than necessary. Sometimes it happens slowly, so you don’t notice right away until fuel economy drops.

Term

road test

A road test is when a mechanic drives the car to check how it behaves. It can reveal problems that you can’t see just by looking at the car in the shop.

Term

wheel bearing

A wheel bearing helps the wheel rotate smoothly. If it’s going bad, the car may feel rough or pull, and it can also cause extra strain that wastes fuel.

Term

brakes pull

“Brakes pull” means when you brake, the car tends to drift to one side. If one side is dragging more than the other, it can make the car work harder and burn more gas.

Term

check engine light

The check engine light is a warning that something may be wrong with the engine or emissions system. But not every problem will turn it on—some issues are more mechanical than electronic.

Part

air filter

The air filter keeps dirt out of the engine. If it gets clogged, the engine can’t get enough clean air, and the car may burn more gas.

Term

brake caliper

The brake caliper is the part that squeezes the brake pads to stop the car. If it sticks, the brakes can rub a little all the time, which wastes fuel.

Term

brake drag

Brake drag means the brakes are still rubbing a bit even though you’re not braking. That extra friction makes the engine burn more gas.

Term

restricted airflow

Restricted airflow means the engine isn’t getting enough air. If the air filter or intake is clogged, the car can use more fuel to do the same work.

Term

adaptive transmission

An adaptive transmission is a gearbox that learns how you’re driving and changes its shifting strategy. If the car isn’t maintained well, the computer may not shift as efficiently, which can waste fuel.

Term

cylinder deactivation

Cylinder deactivation is when the engine turns off some cylinders to save gas when you don’t need full power. If the car isn’t running right, that fuel-saving strategy may not work as well.

Term

start stop systems

Start-stop systems turn the engine off at red lights and restart it when you go. If the battery or related systems aren’t in good shape, the car may waste fuel instead of saving it.

Term

rolling resistance

Rolling resistance is the “drag” from your tires as they roll down the road. If it’s higher, the engine has to push harder, and you burn more gas.

Term

dragging brakes

Dragging brakes means the brakes don’t fully let go. The car keeps getting “rubbed” by the brakes, which makes it harder to move and uses more fuel.

Term

RPM band

RPM band is the “engine speed zone” the car is running in. If the car stays in a less efficient zone (higher RPM), it can shift differently and burn more gas.

Term

charging strategy

Charging strategy is how the car decides how hard to charge the battery. If the car is charging differently than it should, it can affect how efficiently the engine runs.

Term

throttle body

The throttle body controls how much air gets into the engine. If it’s dirty, the car may not measure airflow correctly, so it can add extra fuel and waste gas.

Term

oxygen sensor

The oxygen sensor tells the car whether the exhaust is “too rich” or “too lean.” If it’s not reading correctly, the car can waste fuel trying to correct the mixture.

Term

fault codes

Fault codes are error messages stored by the car’s computer. Sometimes the car adjusts things (like fuel trim) before it decides the problem is bad enough to turn on the check engine light.

Term

fuel trim

Fuel trim is the car’s way of fine-tuning how much gas it injects. If it has to keep adjusting a lot, something may be off, and the car may burn more fuel than it should.

Term

scan cars

Scanning is plugging in a diagnostic tool to see what the car’s computer is seeing. It can show problems before the dashboard light turns on.

Chevrolet Suburban
Car

Chevrolet Suburban

The Chevrolet Suburban is a large family SUV. It’s popular when you need space, and here they’re talking about buying a newer one and choosing the right engine.

Term

branded title

A branded title means the government record for the car has a special label about its past. It usually signals the car had a serious issue, and that can make it harder to sell or finance later.

Concept

why a used car is priced unusually low

They’re talking about a basic used-car red flag: if a car costs way less than similar ones, there’s usually a reason. The caller wants to figure out what that reason might be before buying.

Term

active fuel management

Active Fuel Management is a feature that can turn off some cylinders when you don’t need full power, to save gas. If your truck doesn’t have it, it tends to run all cylinders more of the time.

Term

engine swap

An engine swap means putting a different engine into the same vehicle. It often takes extra work—like updating computer settings and fuel parts—so everything works together.

Term

computer

The car’s computer controls how the engine runs. If you change the engine, the computer often has to be updated so the new engine gets the correct settings.

Term

direct swap as far as block size

They’re saying the new engine is physically similar enough to fit without major fabrication. But you still might need to update parts like the computer and fuel system.

Concept

custom swaps

Custom swaps are non-standard engine installations where shops engineer the fitment and integration work beyond a simple bolt-in replacement. This can involve custom wiring, calibration, and fuel/air system adjustments to make the swap run correctly.

Ford Expedition
Car

Ford Expedition

The Ford Expedition is a large SUV meant for families and road trips. The speaker is saying his experience with the last one he drove wasn’t great.

Ford Excursion
Car

Ford Excursion

The Ford Excursion is a very large SUV that’s built to handle heavy use, like towing and carrying many people. The podcast notes that these are now quite old, so they may need more maintenance than newer cars. When you’re considering one, it’s important to check the condition of major parts that wear out with age.

Term

Duramax

Duramax is a brand name for GM’s diesel engines. The speaker is saying he’s comfortable with diesel ownership and the extra care it often requires.

Term

diesels

Diesel cars often need more careful upkeep. If you don’t maintain them regularly, they can be harder to live with and repairs can cost more.

Concept

Lemon Law vehicle

A Lemon Law car is one that had serious problems and couldn’t be fixed properly after multiple attempts. The speaker is saying that kind of history makes it harder to trust the car even after repairs.

Term

fuel pump

The fuel pump is what sends gas from the tank to the engine. The speaker is saying this car needed fuel-system work more than once.

Term

engine replacement

An “engine replacement” means the manufacturer or shop swapped in a different engine rather than repairing the original. In this segment, it’s listed as one of several major failures, supporting the claim that the vehicle had repeated issues.

Term

lower oil pan replacement

The oil pan is where the engine oil sits. Replacing the lower oil pan usually means there was a leak or damage, and the speaker is using it as evidence of repeated problems.

Term

mileage

Mileage just means how many miles are on the car. When you’re buying after repairs, it matters because it can show whether the problem came back after the fix.

Concept

pre-purchase inspection

A pre-purchase inspection is when a mechanic checks a car before you buy it. It helps confirm the car was really fixed and can reveal problems that aren’t obvious during a quick look.

Concept

repair history

Repair history is the record of how many times a vehicle has been serviced for problems, especially repeated repairs for the same issue. Multiple repairs in a short period can suggest the underlying cause wasn’t fully resolved, even if each repair came with some form of guarantee.

Term

P0300

P0300 is a computer code that usually means the engine is misfiring in one or more cylinders. A misfire can waste fuel and make the engine run rough.

Term

boroscope

A boroscope is like a tiny camera that lets you look inside the engine. It helps diagnose misfires by showing what’s happening inside each cylinder.

Term

pressure test cooling system

This test pressurizes the engine’s coolant system to see if anything is leaking. It can help find problems like a failing seal that lets coolant or gases where they shouldn’t be.

Term

misfiring

A misfire is when a cylinder doesn’t burn the fuel correctly. That can cause rough running and can also trigger engine warning codes.

Term

fuel pressure test

This test checks whether the fuel pump is pushing fuel at the right pressure. If fuel pressure is wrong, the engine may misfire.

Term

fuel rail

The fuel rail is the part that holds pressurized fuel and feeds it to the fuel injectors. If there’s a leak there, the engine can run poorly or misfire.

Term

injectors

Fuel injectors spray fuel into the engine in the right amount and timing. If they’re leaking or not spraying correctly, the engine can misfire.

Term

cats

“Cats” means catalytic converters, which clean up exhaust gases. If one gets clogged, the engine can feel like it’s running wrong.

Part

coils

Coils help create the spark that lights the fuel in each cylinder. If a coil is bad, that cylinder can misfire, and swapping coils can show whether the problem follows the coil.

Term

misfires

A misfire means a cylinder didn’t burn the fuel the way it should. When that happens, the engine wastes fuel and can feel rough or run poorly.

Term

banks

On some engines, cylinders are split into two sides. Those sides are called banks, and seeing whether a problem is on one side or both helps diagnose where it’s coming from.

Term

chain had jumped

The timing chain controls when the engine’s valves open and close. If it jumps, the timing gets out of sync, and the engine can run very badly or not run at all.

Term

vacuum

Vacuum is a kind of suction inside the engine’s intake system. If it’s not right, the engine may not be getting the correct airflow, which can lead to running problems.

Ford Escape
Car

Ford Escape

The Ford Escape is a compact SUV—basically a smaller family car with more space than a sedan. They’re talking about whether to buy another one or switch to something similar.

Honda Pilot
Car

Honda Pilot

A Honda Pilot is a family SUV with room for people and cargo. Here, it’s mentioned as another option similar in size to what they’re considering.

Term

heads up display

A heads-up display shows important info on the windshield. That way you don’t have to take your eyes off the road to check the dashboard.

Term

oil temperature

Oil temperature tells you how hot the engine oil is. If it runs too hot, it can mean the engine is working harder than it should or something isn’t right.

Term

knobs and whistles and buttons

They’re talking about how modern cars can have lots of controls and alerts. The point is that it can feel overwhelming compared with older cars.

Term

vapor lock

Vapor lock happens when fuel gets so hot that it turns into gas in the fuel line. If that happens, the engine may not get the fuel it needs, so it can run poorly or stall until things cool off.

Term

carburetor

A carburetor is an older-style device that mixes fuel and air so the engine can burn it. If fuel delivery is interrupted, the engine won’t run correctly.

Term

flathead

A flathead is an older engine design where the valves sit in the engine block. It’s a vintage engine style, and in this story it’s part of why the fuel system could overheat.

Term

V8

A V8 is an engine with eight cylinders. The speaker is comparing V8s to six-cylinder engines and saying they had different experiences with starting and fuel heating.

Ford Transit
Car

Ford Transit

The Ford Transit is a work van that lots of people use for jobs. Ron is saying his Transit has been reliable and that he takes maintenance seriously.

Term

oil changes

An oil change is when you replace the engine’s oil. Fresh oil helps the engine stay clean and run cooler, so doing it too late can be worse for the engine.

Term

transmission fluid

Transmission fluid is the fluid that helps the car’s transmission shift smoothly. Ron is describing a maintenance habit involving adding fluid to help keep things cleaner.

Term

quart

A quart is a measurement of liquid volume. Ron is talking about how much transmission fluid he’s adding.

Term

tire pressure

Tire pressure is how much air is in your tires. If it’s too low or too high, the car has to work harder to roll, which can waste fuel.

Term

fuel system cleaning kit

A fuel system cleaning kit is a product you use to clean the parts that deliver fuel to the engine. If those parts get dirty, the engine may burn fuel less efficiently, so cleaning can help.

Brand

CRC GDI kit

CRC makes car cleaning products. In this case, the host is pointing to a CRC kit you can use to clean the fuel system yourself.

Term

flooded battery

A flooded battery is a common type of car battery that uses liquid acid inside. Different flooded-battery designs can charge a little differently, which can change how the car’s charging system behaves.

Term

AGM battery

An AGM battery is a sealed type of car battery that uses special material to hold the battery fluid. Because it charges differently than a flooded battery, the car may need to manage it differently.

Company

Clarios

Clarios is a company that supplies automotive battery products. The host is using them as a source for information about battery options.

Term

battery management system

The battery management system is the car’s control system that keeps track of the battery and decides how to charge it. If you change the battery type, the car may charge it differently, which can influence how much fuel the car uses.

0:00
35:00